TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Burner does not light after ODS/

1. Burner orifice clogged

1.

Clean burner (see Cleaning

pilot is lit

 

 

 

and Maintenance, page 14) or

 

 

 

 

replace burner orifice

 

2.

Inlet gas pressure is too low

2.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

Delayed ignition burner

1. Manifold pressure is too low

1.

Contact local natural or pro-

 

 

 

 

pane/LP gas company

 

2.

Burner orifice clogged

2.

Clean burner (see Cleaning

 

 

 

 

and Maintenance, page 14) or

 

 

 

 

replace burner orifice

 

 

 

 

Burner backfiring during com-

1. Burner orifice is clogged or

1.

Clean burner (see Cleaning

bustion

 

damaged

 

and Maintenance, page 14) or

 

 

 

 

replace burner orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas control

Slight smoke or odor during initial

1. Not enough air

1.

Check burner for dirt and

operation

 

 

 

debris. If found, clean burner

 

 

 

 

(see Cleaning and Mainte-

 

 

 

 

nance, page 14)

 

2.

Gas regulator defective

2.

Replace gas control

 

3.

Residues from manufacturing

3.

Problem will stop after a few

 

 

processes and logs curing

 

hours of operation

 

 

 

 

Moisture/condensation noticed

1. Not enough combustion/ven-

1.

Refer to Air for Combustion

on windows

 

tilation air

 

and Ventilation requirements

 

 

 

 

(page 5)

Heater produces a whistling noise

1. Turning control knob to HI

1.

Turn control knob to LO position

when burner is lit

 

position when burner is cold

 

and let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is

 

 

 

 

removed from line. Have gas

 

 

 

 

line checked by local natural

 

 

 

 

or propane/LP gas company

 

3.

Air passageways on heater

3.

Observe minimum installation

 

 

blocked

 

clearances (see page 8)

 

4.

Dirty or partially clogged

4.

Clean burner (see Cleaning

 

 

burner orifice

 

and Maintenance, page 14) or

 

 

 

 

replace burner orifice

 

 

 

 

Dark residue on logs or inside

1. Improper log placement

1.

Properly locate logs (see In-

of fireplace

 

 

 

stalling Log Set, page 12)

 

2.

Drafts or other air currents

2.

Eliminate source of drafts

 

 

affecting flame pattern

 

around heater

 

3.

Air holes at burner inlet

3.

Clean out air holes at burner

 

 

blocked

 

inlet. Periodically repeat as

 

 

 

 

needed

 

4.

Burner flame holes blocked

4.

Remove blockage

 

 

 

 

White powder residue forming

1. When heated, vapors from

1.

Turn heater off when using

within burner box or on adjacent

 

furniture polish, wax, carpet

 

furniture polish, wax, carpet

walls or furniture

 

cleaners, etc. may turn into

 

cleaners or similar products

white powder residue

111487-01D

www.desatech.com

17

Page 17
Image 17
Desa Tech CSPBNT Replace burner orifice, Inlet gas pressure is too low, Pane/LP gas company, Delayed ignition burner, Nance

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